<div>
  <h1>{{title}}</h1>
  <ibutton>
    <template aaa>
      <div class="uu">这是aaa</div>
    </template>
    <template bbb>
      <div>
          这是bbb
      </div>
    </template>
    <div>这是ccc</div>
  </ibutton>
</div>
